QBC: Quasi-brittle cracking, coupled processes and hydraulic fractures

Minisymposium organized by

Session I, Thursday, 11:00-12:40, lecture room C221, chaired by G. Xotta

11:00-11:40 Z.P. Bažant*, H. Xu, A. Donmez, A. Nguyen, Y. Zhang:
Leapfrog in computational fracture mechanics enabled by curvature-limiting sprain as damage localization limiter (keynote lecture)
11:40-12:00 G.B. Barbat*, M. Cervera, H. Venghaus, C.A. Moreira, M. Chiumenti:
Objective numerical evaluation of cracking in quasi-brittle materials via adaptive mesh and formulation refinement
12:00-12:20 G. Pijaudier-Cabot*, D. Toussaint, M. Pathirage, G. Cusatis:
Some comments on modelling failure with peridynamics
12:20-12:40 A. Dubois*, C. Guerra, J. Scheibert, D. Dalmas, D. Bonamy:
Consequence of the crack tip microcracking statistics on dynamic nominally brittle fracture at the continuum-level scale

Session II, Thursday, 14:00-15:40, lecture room C221, chaired by I. Carol

14:00-14:20 S. Al Dandachli*, F. Perales, Y. Monnerie, F. Jamin, C. Pelissou:
Mixed-mode fracture of cement paste and interface under three-point bending test: Numerical and experimental investigations
14:20-14:40 S. Zadran*, J. Ožbolt, S. Gambarelli:
Modelling freeze-thaw behavior of cementitious materials
14:40-15:00 C. Biscaro*, A. Martinez, C.M. López, G. Xotta, I. Carol*:
Cracking and fracture of 2D and 3D concrete specimens subject to external sulfate attack
15:00-15:20 L.F. Paullo Muñoz, C. Mejia, J. Rueda, D. Roehl*:
Coupled DDM-FEM solution applied to fault reactivation assessment in CO2 sequestration
15:20-15:40 E. Sarris*, L. Papaloizou:
A fully coupled finite element model for simulating hydro-dynamical plugging of unwanted hydraulic fractures in wellbore strengthening

Session III, Thursday, 16:00-17:40, lecture room C221, chaired by G. Pijaudier-Cabot

16:00-16:20 C. Konstantinou*, P. Papanastasiou:
Fluid flow and fracturing in weakly cemented porous media: An insight into the underlying mechanisms
16:20-16:40 I. Carol*, L. Barandiaran, D. Garolera, J. Alvarellos, E. Ibáñez:
HF propagation with proppant injection using the FEM with zero-thickness interface elements
16:40-17:00 C. Peruzzo*, B. Fryer, B. Lecampion:
Can a bi-lateral stress jump really arrest the height growth of a hydraulic fracture?
17:00-17:20 J. Wang, G. Xotta*, A. Sonntag, A. Wagner, W. Ehlers:
Modelling of natural hydraulic fracturing in sandstone cylinders
17:20-17:40 P.R. Cleto*, L.G. Barbosa, M.A. Maedo, E.A. Rodrigues, O.L. Manzoli:
Numerical modeling and simulation of the interaction between hydraulic and natural fractures using high aspect ratio interface elements

Session IV, Friday, 11:00-12:20, lecture room C221, chaired by G. Xotta

11:00-11:20 F. Loiseau*, C. Oliver-Leblond, R. Desmorat:
Modeling anisotropic damage using a reconstruction by rational covariants of the elasticity tensor obtained by discrete element tests
11:20-11:40 X. Gu*, P.Y. Liu, X.Z. Xia, Q. Zhang:
Peridynamics for soil desiccation cracking simulation: Coupled hygro-mechanical model, staggered and monolithic solution
11:40-12:00 H. Liu*, L. Mao, F. Hild:
Damage growth in coal under uniaxial compression
12:00-12:20 F. Suárez:
Parameter calibration of a fibre-reinforced concrete fracture model by means of co-simulation between OOFEM and Scipy

*Asterisks denote presenting authors.